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World Population Review
Charleston County, South Carolina Population 2021
Charleston County, South Carolina's estimated population is 421,774 with a growth rate of 1.24% in the past year according to the most recent United States census data. Charleston County, South Carolina is the 4th largest county in South Carolina. The 2010 Population was 350,940 and has seen a growth of 20.18% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 421,774 | 5,184 | 1.24% |
| 2020 | 416,590 | 5,184 | 1.26% |
| 2019 | 411,406 | 5,184 | 1.28% |
| 2018 | 406,222 | 4,214 | 1.05% |
| 2017 | 402,008 | 5,128 | 1.29% |
| 2016 | 396,880 | 7,570 | 1.94% |
| 2015 | 389,310 | 9,517 | 2.51% |
| 2014 | 379,793 | 8,090 | 2.18% |
| 2013 | 371,703 | 7,075 | 1.94% |
| 2012 | 364,628 | 7,293 | 2.04% |
| 2011 | 357,335 | 6,395 | 1.82% |
| 2010 | 350,940 | 55,901 | 18.95% |
| 1990 | 295,039 | 18,065 | 6.52% |
| 1980 | 276,974 | 29,324 | 11.84% |
| 1970 | 247,650 | 31,268 | 14.45% |
| 1960 | 216,382 | 51,526 | 31.26% |
| 1950 | 164,856 | 43,751 | 36.13% |
| 1940 | 121,105 | 20,055 | 19.85% |
| 1930 | 101,050 | -7,400 | -6.82% |
| 1920 | 108,450 | 19,856 | 22.41% |
| 1910 | 88,594 | 588 | 0.67% |
| 1900 | 88,006 | 28,103 | 46.91% |
| 1890 | 59,903 | -42,897 | -41.73% |
| 1880 | 102,800 | 13,937 | 15.68% |
| 1870 | 88,863 | 18,763 | 26.77% |
| 1860 | 70,100 | -2,705 | -3.72% |
| 1850 | 72,805 | -9,856 | -11.92% |
| 1840 | 82,661 | -3,677 | -4.26% |
| 1830 | 86,338 | 6,126 | 7.64% |
| 1820 | 80,212 | 17,033 | 26.96% |
| 1810 | 63,179 | 5,699 | 9.91% |
| 1800 | 57,480 | -9,505 | -14.19% |
| 1790 | 66,985 | 0.00% |
2021 Growth Rate
1.24%
County Website
State
Founded
1769
County Seat
Lat./Long.
2010 Population
350,940
Growth Since 2010
20.18%
Charleston County, South Carolina Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 273,817 | 68.26% |
| Black or African American | 107,239 | 26.73% |
| Two or More Races | 8,277 | 2.06% |
| Asian | 6,052 | 1.51% |
| Some Other Race | 4,760 | 1.19% |
| American Indian and Alaska Native | 751 | 0.19% |
| Native Hawaiian and Other Pacific Islander | 269 | 0.07% |
Charleston County, South Carolina Population by Race
Charleston County, South Carolina Population Pyramid $2021
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Charleston County, South Carolina Population by Age
Charleston County, South Carolina Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 159,195 | 2.45 | 61.6 |
| Married | 68,002 | 3.05 | 80.7 |
| Non Family | 66,815 | 1.4 | 47 |
| Female | 19,244 | 3.69 | 46.2 |
| Male | 5,134 | 3.38 | 54 |
3.14
Average Family Size
2.45
Average Household Size
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Charleston County, South Carolina Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 6,816 | 2.39% |
| 9th to 12th Grade | 16,973 | 5.94% |
| High School Graduate | 64,967 | 22.73% |
| Some College | 49,093 | 17.18% |
| Associates Degree | 23,312 | 8.16% |
| Bachelors Degree | 79,643 | 27.87% |
| Graduate Degree | 44,955 | 15.73% |
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Charleston County, South Carolina Educational Attainment by Sex (over 25)
Charleston County, South Carolina Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 194,233 | 187,080 | 106,452 |
| Black | 71,790 | 59,621 | 11,021 |
| Hispanic | 11,235 | 7,753 | 2,690 |
| Asian | 4,561 | 4,053 | 2,798 |
| 2+ Races | 3,782 | 3,338 | 1,450 |
| Other Race | 3,074 | 1,600 | 629 |
| Native American | 451 | 430 | 96 |
| Islander | 100 | 62 | 4 |
The highest rate of high school graduation is among white people with a rate of 96.32%.
The highest rate of bachelors degrees is among asian people with a rate of 61.35%.
Charleston County, South Carolina Educational Attainment by Race
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$42,686
Average Earnings
$50,446
Average Male
$37,262
Average Female
Charleston County, South Carolina Earnings by Educational Attainment
Charleston County, South Carolina Language by Age
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Charleston County, South Carolina Language
93.07% of Charleston County, South Carolina residents speak only English, while 6.93% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.93% of the population.
Charleston County, South Carolina Language
Charleston County, South Carolina Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Black | 103,773 | 25,567 | 24.64% |
| White | 251,892 | 19,077 | 7.57% |
| Hispanic | 19,916 | 5,732 | 28.78% |
| Multiple | 7,697 | 2,133 | 27.71% |
| Other | 4,759 | 1,304 | 27.40% |
| Asian | 5,896 | 1,114 | 18.89% |
| Native | 728 | 272 | 37.36% |
| Islander | 211 | 9 | 4.27% |
13.74%
Overall Poverty Rate
12.17%
Male Poverty Rate
15.17%
Female Poverty Rate
Poverty in Charleston County, South Carolina
The race most likely to be in poverty in Charleston County, South Carolina is Native, with 37.36% below the poverty level.
The race least likely to be in poverty in Charleston County, South Carolina is Islander, with 4.27% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.92%. Among those working part-time, it was 17.64%, and for those that did not work, the poverty rate was 22.95%.
Charleston County, South Carolina Poverty
Charleston County, South Carolina Poverty Rate by Education
Charleston County, South Carolina Marital Status
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Marriage Rates
44.1%
Overall Marriage Rate
46.3%
Male Marriage Rate
42.1%
Female Marriage Rate
Charleston County, South Carolina Married by Age and Sex
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Charleston County, South Carolina Marriage
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Charleston County, South Carolina Marital Status by Race
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Charleston County, South Carolina Marital Status
Charleston County, South Carolina Veterans by War
Charleston County, South Carolina Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 19,944 | 8.94% |
| Black | 8,262 | 10.16% |
| Hispanic | 656 | 4.91% |
| 2+ Races | 385 | 7.93% |
| Asian | 162 | 3.20% |
| Native American | 106 | 18.56% |
| Other Race | 82 | 2.35% |
Charleston County, South Carolina Veterans by Race
Charleston County, South Carolina Veterans by Education
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8.00%
Veteran Poverty Rate
24.38%
Veteran Disability Rate
Charleston County, South Carolina Veterans by Education
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65.3%
Labor Force Participation
62%
Employment Rate
3.7%
Unemployment Rate
Charleston County, South Carolina Employment by Age
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Charleston County, South Carolina Employment by Race
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Charleston County, South Carolina Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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94.58%
Native Born
5.42%
Foreign Born
3.29%
Non Citizen
2.12%
Naturalized
Place of Birth
94.58% of Charleston County, South Carolina residents were born in the United States, with 50.91% having been born in South Carolina. 3.29% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Charleston County, South Carolina Place of Birth
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990